Finger Positions

Root Note E

Name E diminished seventh over C

Intervals 1P-3m-5d-7d

Relative Minor C#m

Notes C, E, G, Bb, Db

Aliases Edim7, E°7, Eo7

How to play the Edim7/C Chord

The Edim7/C is a fundamental dominant chord in guitar music. To play this chord correctly, ensure your fingers are placed precisely on the frets indicated in the diagram above.

Music Theory Analysis

From a theoretical perspective, the E diminished seventh over C is built using the 1P, 3m, 5d, 7d intervals. In the key of E Major, this chord functions as the I chord.

Common Progressions

In music composition, the Edim7/C chord is often used to create tension or resolution.

I-V-vi-IV

E → B → C#m → A

vi-IV-I-V

C#m → A → E → B

The Diatonic Family

Understanding the "family" of chords that belong to E helps with transposition and ear training.

Triads

E F#m G#m A B C#m D#dim

7ths

Emaj7 F#m7 G#m7 Amaj7 B7 C#m7 D#m7b5

Scale Compatibility

View All Scales

Diminished Ultralocrian Locrian 6 Dorian #4 Lydian Diminished Hungarian Major Lydian #9 Half-Whole Diminished Composite Blues Messiaen's Mode #7 Chromatic

* 11 scales found containing the notes C, E, G, Bb, Db.

Acoustic & Digital Analysis

Digital footprint of the Edim7/C chord for MIDI programming and synthesizer sound design.

MIDI Numbers 60, 64, 67, 70, 61

Frequencies (Hz)

261.6255653005986, 329.6275569128699, 391.99543598174927, 466.1637615180899, 277.1826309768721